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Re: [lwip-users] Loopback problems

From: Fabian Koch
Subject: Re: [lwip-users] Loopback problems
Date: Tue, 4 Aug 2009 15:08:11 +0200

address@hidden wrote on 04.08.2009 14:54:29:

> No, you're not wrong. Of course the function is not usable from the
> netconn thread. However, my proposal is not much different to yours:
> having a flag UDP_FLAGS_IS_BROADCAST in the PCB won't help you,
> either, since that flag is not added to the netbuf but only stored
> in the PCB: it might get deleted by the time you received the netbuf...
> Therefore, I thought you'd be using the raw API...

Yes, but I do have the pcb in that layer. I have the netconn, so I just go conn->pcb.udp->flags and look for the new broadcast flag. In the tests this worked as intended, but might be coincidence.

Any ideas how I can achieve my goal?

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